Hi, [auto build test ERROR on v4.7-rc7] [also build test ERROR on next-20160715] [cannot apply to slave-dma/next xlnx/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dave-Jiang/Adding-transaction-result-return-for-dmaengine/20160716-044852 config: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All errors (new ones prefixed by >>): drivers/dma/ste_dma40.c: In function 'dma_tasklet': >> drivers/dma/ste_dma40.c:1599:2: error: unknown type name 'dmaengine_desc_callback' dmaengine_desc_callback cb; ^ >> drivers/dma/ste_dma40.c:1626:42: error: passing argument 2 of 'dmaengine_desc_get_callback' from incompatible pointer type [-Werror=incompatible-pointer-types] dmaengine_desc_get_callback(&d40d->txd, &cb); ^ In file included from drivers/dma/ste_dma40.c:13:0: include/linux/dmaengine.h:1381:1: note: expected 'struct dmaengine_desc_callback *' but argument is of type 'int *' dmaengine_desc_get_callback(struct dma_async_tx_descriptor *tx, ^ >> drivers/dma/ste_dma40.c:1648:34: error: passing argument 1 of 'dmaengine_desc_callback_invoke' from incompatible pointer type [-Werror=incompatible-pointer-types] dmaengine_desc_callback_invoke(&cb, NULL); ^ In file included from drivers/dma/ste_dma40.c:13:0: include/linux/dmaengine.h:1389:1: note: expected 'struct dmaengine_desc_callback *' but argument is of type 'int *' dmaengine_desc_callback_invoke(struct dmaengine_desc_callback *cb, ^ cc1: some warnings being treated as errors vim +/dmaengine_desc_callback +1599 drivers/dma/ste_dma40.c 1593 static void dma_tasklet(unsigned long data) 1594 { 1595 struct d40_chan *d40c = (struct d40_chan *) data; 1596 struct d40_desc *d40d; 1597 unsigned long flags; 1598 bool callback_active; > 1599 dmaengine_desc_callback cb; 1600 1601 spin_lock_irqsave(&d40c->lock, flags); 1602 1603 /* Get first entry from the done list */ 1604 d40d = d40_first_done(d40c); 1605 if (d40d == NULL) { 1606 /* Check if we have reached here for cyclic job */ 1607 d40d = d40_first_active_get(d40c); 1608 if (d40d == NULL || !d40d->cyclic) 1609 goto err; 1610 } 1611 1612 if (!d40d->cyclic) 1613 dma_cookie_complete(&d40d->txd); 1614 1615 /* 1616 * If terminating a channel pending_tx is set to zero. 1617 * This prevents any finished active jobs to return to the client. 1618 */ 1619 if (d40c->pending_tx == 0) { 1620 spin_unlock_irqrestore(&d40c->lock, flags); 1621 return; 1622 } 1623 1624 /* Callback to client */ 1625 callback_active = !!(d40d->txd.flags & DMA_PREP_INTERRUPT); > 1626 dmaengine_desc_get_callback(&d40d->txd, &cb); 1627 1628 if (!d40d->cyclic) { 1629 if (async_tx_test_ack(&d40d->txd)) { 1630 d40_desc_remove(d40d); 1631 d40_desc_free(d40c, d40d); 1632 } else if (!d40d->is_in_client_list) { 1633 d40_desc_remove(d40d); 1634 d40_lcla_free_all(d40c, d40d); 1635 list_add_tail(&d40d->node, &d40c->client); 1636 d40d->is_in_client_list = true; 1637 } 1638 } 1639 1640 d40c->pending_tx--; 1641 1642 if (d40c->pending_tx) 1643 tasklet_schedule(&d40c->tasklet); 1644 1645 spin_unlock_irqrestore(&d40c->lock, flags); 1646 1647 if (callback_active) > 1648 dmaengine_desc_callback_invoke(&cb, NULL); 1649 1650 return; 1651 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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